Medical image protection using secret sharing scheme

With the establishment of medical information system, lots of medical images are stored in computer and transmitted among hospitals by network. Once the medical images are stolen or abused, the rights of the patients will suffer violation. The paper proposes a secret sharing scheme to protect the security of the medical images. No one can obtain any information from one of the shared images unless the authorized people. Experimental results show that the proposed scheme not only protect the security of the medical images, but also recover the medical images without distortion.